<template>
	<view class="u-wrap">
		<view class="u-search-box">
			<view class="u-search-inner">
				<u-icon name="search" color="#909399" :size="28"></u-icon>
				<text class="u-search-text">搜索</text>
			</view>
		</view>
		<view class="u-menu-wrap">
			<scroll-view scroll-y scroll-with-animation class="u-tab-view menu-scroll-view" :scroll-top="scrollTop"
			 :scroll-into-view="itemId">
				<view v-for="(item,index) in tabbar" :key="index" class="u-tab-item" :class="[current == index ? 'u-tab-item-active' : '']"
				 @tap.stop="swichMenu(index)">
					<text class="u-line-1">{{item.description}}</text>
				</view>
			</scroll-view>
			<scroll-view :scroll-top="scrollRightTop" scroll-y scroll-with-animation class="right-box" @scroll="rightScroll">
				<view class="page-view">
					<view class="class-item" :id="'item' + index" v-for="(item , index) in tabbar" :key="index">
						<view class="item-title">
							<text>{{item.description}}</text>
						</view>
						<view class="item-container">
							<view class="thumb-box" v-for="(item1, index1) in item.scoreQuestionList" :key="index1">
								<!-- <image class="item-menu-image" :src="item1.icon" mode=""></image> -->
								<view class="item-menu-name">{{item1.description}}</view>
							</view>
						</view>
					</view>
				</view>
			</scroll-view>
		</view>
	</view>
</template>
<script>
	import config from '@/app.config.js'
	import classifyData from '@/common/classify.data.js';
	export default {
		data() {
			return {
				evaluateId: '',
				companyId: '',
				recordFormId: '',
				members: '', // 同组人员姓名
				status: 99,
				evaluateInfo:{},
				paperInfo: {},
				disabled: false,
				action: this.Api + `/upload/uploadPic`,
				act: '',
				buttonText: '提交',
				
				// showLi: false, // 是否显示li
				showLi: [[]], // 是否显示li
				height: '200rpx', // ul的高度
				
				// 以下是页面控制相关属性
				scrollTop: 0, //tab标题的滚动条位置
				oldScrollTop: 0,
				current: 0, // 预设当前项的值
				menuHeight: 0, // 左边菜单的高度
				menuItemHeight: 0, // 左边菜单item的高度
				itemId: '', // 栏目右边scroll-view用于滚动的id
				tabbar: classifyData,
				menuItemPos: [],
				arr: [],
				scrollRightTop: 0, // 右边栏目scroll-view的滚动条高度
				timer: null, // 定时器
			}
		},
		onLoad(options) {
			this.initPage(options)
		},
		onReady() {
			this.getMenuItemTop()
		},
		methods: {
			toggle(index1,index2){
				this.showLi[index1][index2] = !this.showLi[index1][index2]
				this.$set(this.showLi, index1, this.showLi[index1])
			},
			initPage(options = {}) {				
				if (!options.evaluateId){
					console.log('未传入评价ID！');
					return false;
				}
				if(options.evaluateId) this.evaluateId = options.evaluateId;
				
				if(!this.$util.getToken()){
					this.$util.toLogin(()=>this.initPage())
				}
				let tokenStr = this.$util.getToken() ? 'Bearer ' + this.$util.getToken() : '';
				this.uploadHeader = {
					'Authorization': tokenStr
				}
				
				this.getInfo();
			},
			getInfo() {
				let data = {
					id: this.evaluateId,
					expertIds: vk.getVuex('$user.userInfo.userId')
				}
				this.$util.request(this.$api.EvaluateInfo, data, 'GET', null, null, null, null, () => this.getInfo())
					.then(res => {
						if(config.debug) console.log('获取评分详情', res);
						
						if(res.data.status){
							this.status = parseInt(res.data.status);
						}
						this.paperInfo = res.data.form;
						this.evaluateInfo = res.data;
						if(res.data.recordForm){
							this.recordFormId = res.data.recordForm.id;
							this.buttonText = '提交修改';
						}
						if(config.debug) console.log("this.paperInfo", this.paperInfo)
						
						// 垂直分栏页面数据
						this.tabbar = this.paperInfo.scoreGroupList
						
						
						this.members = res.data.members;
						this.showLi = [];
						let show2 = [];
						this.paperInfo.scoreGroupList.forEach((part, partIndex) => {
							show2 = [];
							part.scoreQuestionList.forEach((question, index) => {
								show2.push(false)
							})
							this.showLi.push(show2)
						})
						
						if(config.debug) console.log("this.showLi", this.showLi)
						
						uni.setNavigationBarTitle({
							title: this.paperInfo.title
						})
					})
			},
			submit() {
				this.disabled = true;
			
				let submitQuestionList = [];
				let i = 0;
				this.paperInfo.scoreGroupList.forEach((top) => {
					if(top.children){  //有二级分类
						top.children.forEach((second) => {
							second.scoreQuestionList.forEach((question) => {
								// 没扣分的不传后台
								if (question.score) {
									question.questionId = question.id;
									if (question.imgUrls) {
										question.imageUrl = '';
										question.imgUrls.forEach((item) => question.imageUrl += item + ',')
									}
									if (question.imageUrl) {
										question.imageUrl = question.imageUrl.substr(0, question.imageUrl.length - 1);
									}
									// 2021.11.6 将group放入对象，用于在下一页填写扣分说明时显示
									question.groupDescription = second.description
									submitQuestionList[i++] = question;
								}
							})
						})
					}else{  //无二级分类
						top.scoreQuestionList.forEach((question) => {
							// 没扣分的不传后台
							if (question.score) {
								question.questionId = question.id;
								if (question.imgUrls) {
									question.imageUrl = '';
									question.imgUrls.forEach((item) => question.imageUrl += item + ',')
								}
								if (question.imageUrl) {
									question.imageUrl = question.imageUrl.substr(0, question.imageUrl.length - 1);
								}
								// 2021.11.6 将group放入对象，用于在下一页填写扣分说明时显示
								question.groupDescription = top.description
								submitQuestionList[i++] = question;
							}
						})
					}					
				})
				
				let data = {
					id: this.recordFormId,
					evaluateId: this.evaluateInfo.id,
					companyId: this.evaluateInfo.companyId,
					year: this.evaluateInfo.year,
					formId: this.evaluateInfo.formId,
					recordFormId: this.recordFormId,
					members: this.members,
					expertId: vk.getVuex('$user.userInfo.userId'),
					createBy: vk.getVuex('$user.userInfo.nickName'),
					scoreRecordList: submitQuestionList
				}
				if(config.debug) console.log('保存data', data)
				
				// 如果扣分了，跳转到“扣分说明”页面，补充扣分说明
				if(submitQuestionList){
					uni.hideLoading();
					this.disabled = false;
					uni.navigateTo({
						url: '/pages/score/scoreRemark?saveData=' + encodeURIComponent(JSON.stringify(data))
					})
					return false;
				}
				
				// 没扣分则提交
				let method = this.recordFormId ? 'PUT' : 'POST';
				
				this.$util.request(this.$api.RecordFormRestful, data, method, null, null, null, null, () => this.submit())
					.then(res => {
						if(config.debug) console.log('submitForm', res)
						if (res.code === 200) {
							vk.toast("保存成功", "success", 1000, true, () => {
								const eventChannel = this.getOpenerEventChannel();
								if (eventChannel.emit) eventChannel.emit('refresh');
								vk.navigateBack();
							});
						} else {
							console.log('保存失败', res)
							this.disabled = false;
							this.loading = false;
							vk.alert(res.msg, '保存失败');
						}
					}).catch((err) => {
						console.log('保存异常', err)
						this.disabled = false;
						this.loading = false;
						vk.alert(JSON.stringify(err), '保存异常');
					})
			},
			// 上传图片成功
			uploadSuccess(res) {
				// uni.hideLoading();
				var _res = JSON.parse(res.data);
				if (_res.code == 1) {
					uni.showToast({
						title: '照片上传成功！',
						duration: 3000
					});
					return {
						success: true,
						url: this.imageLookAction + _res.data
					}
				} else {
					uni.showToast({
						title: '照片上传失败！错误信息如下：' + res,
						icon: 'error',
						duration: 3000
					});
					return {
						success: false,
						url: ''
					}
				}
			},
			uploadFail(res) {
				uni.showToast({
					title: '照片上传失败！异常信息如下：' + res,
					icon: 'error',
					duration: 3000
				});
			},
			
			
			// 以下是页面控制相关方法
			
			// 点击左边的栏目切换
			async swichMenu(index) {
				if(this.arr.length == 0) {
					await this.getMenuItemTop();
				}
				if (index == this.current) return;
				this.scrollRightTop = this.oldScrollTop;
				this.$nextTick(function(){
					this.scrollRightTop = this.arr[index];
					this.current = index;
					this.leftMenuStatus(index);
				})
			},
			// 获取一个目标元素的高度
			getElRect(elClass, dataVal) {
				new Promise((resolve, reject) => {
					const query = uni.createSelectorQuery().in(this);
					query.select('.' + elClass).fields({
						size: true
					}, res => {
						// 如果节点尚未生成，res值为null，循环调用执行
						if (!res) {
							setTimeout(() => {
								this.getElRect(elClass);
							}, 10);
							return;
						}
						this[dataVal] = res.height;
						resolve();
					}).exec();
				})
			},
			// 观测元素相交状态
			async observer() {
				this.tabbar.map((val, index) => {
					let observer = uni.createIntersectionObserver(this);
					// 检测右边scroll-view的id为itemxx的元素与right-box的相交状态
					// 如果跟.right-box底部相交，就动态设置左边栏目的活动状态
					observer.relativeTo('.right-box', {
						top: 0
					}).observe('#item' + index, res => {
						if (res.intersectionRatio > 0) {
							let id = res.id.substring(4);
							this.leftMenuStatus(id);
						}
					})
				})
			},
			// 设置左边菜单的滚动状态
			async leftMenuStatus(index) {
				console.log('设置左边菜单的滚动状态index', index, this.menuHeight, this.menuItemHeight)
				this.current = index;
				// 如果为0，意味着尚未初始化
				if (this.menuHeight == 0 || this.menuItemHeight == 0) {
					await this.getElRect('menu-scroll-view', 'menuHeight');
					await this.getElRect('u-tab-item', 'menuItemHeight');
				}
				// 将菜单活动item垂直居中
				this.scrollTop = index * this.menuItemHeight + this.menuItemHeight / 2 - this.menuHeight / 2;
				console.log('设置左边菜单的滚动状态this.scrollTop', this.scrollTop)
			},
			// 获取右边菜单每个item到顶部的距离
			getMenuItemTop() {
				new Promise(resolve => {
					let selectorQuery = uni.createSelectorQuery();
					selectorQuery.selectAll('.class-item').boundingClientRect((rects) => {
						// 如果节点尚未生成，rects值为[](因为用selectAll，所以返回的是数组)，循环调用执行
						if(!rects.length) {
							setTimeout(() => {
								this.getMenuItemTop();
							}, 10);
							return ;
						}
						rects.forEach((rect) => {
							// 这里减去rects[0].top，是因为第一项顶部可能不是贴到导航栏(比如有个搜索框的情况)
							this.arr.push(rect.top - rects[0].top);
							resolve();
						})
					}).exec()
				})
			},
			// 右边菜单滚动
			async rightScroll(e) {
				this.oldScrollTop = e.detail.scrollTop;
				if(this.arr.length == 0) {
					await this.getMenuItemTop();
				}
				if(this.timer) return ;
				if(!this.menuHeight) {
					await this.getElRect('menu-scroll-view', 'menuHeight');
				}
				setTimeout(() => { // 节流
					this.timer = null;
					// scrollHeight为右边菜单垂直中点位置
					let scrollHeight = e.detail.scrollTop + this.menuHeight / 2;
					for (let i = 0; i < this.arr.length; i++) {
						let height1 = this.arr[i];
						let height2 = this.arr[i + 1];
						// 如果不存在height2，意味着数据循环已经到了最后一个，设置左边菜单为最后一项即可
						if (!height2 || scrollHeight >= height1 && scrollHeight < height2) {
							this.leftMenuStatus(i);
							return ;
						}
					}
				}, 10)
			}
		}
	}
</script>

<style lang="scss" scoped>
	.u-wrap {
		height: calc(100vh);
		/* #ifdef H5 */
		height: calc(100vh - var(--window-top));
		/* #endif */
		display: flex;
		flex-direction: column;
	}

	.u-search-box {
		padding: 18rpx 30rpx;
	}

	.u-menu-wrap {
		flex: 1;
		display: flex;
		overflow: hidden;
	}

	.u-search-inner {
		background-color: rgb(234, 234, 234);
		border-radius: 100rpx;
		display: flex;
		align-items: center;
		padding: 10rpx 16rpx;
	}

	.u-search-text {
		font-size: 26rpx;
		color: $u-tips-color;
		margin-left: 10rpx;
	}

	.u-tab-view {
		width: 200rpx;
		height: 100%;
	}

	.u-tab-item {
		height: 110rpx;
		background: #f6f6f6;
		box-sizing: border-box;
		display: flex;
		align-items: center;
		justify-content: center;
		font-size: 26rpx;
		color: #444;
		font-weight: 400;
		line-height: 1;
	}

	.u-tab-item-active {
		position: relative;
		color: #000;
		font-size: 30rpx;
		font-weight: 600;
		background: #fff;
	}

	.u-tab-item-active::before {
		content: "";
		position: absolute;
		border-left: 4px solid $u-type-primary;
		height: 32rpx;
		left: 0;
		top: 39rpx;
	}

	.u-tab-view {
		height: 100%;
	}

	.right-box {
		background-color: rgb(250, 250, 250);
	}

	.page-view {
		padding: 16rpx;
	}

	.class-item {
		margin-bottom: 30rpx;
		background-color: #fff;
		padding: 16rpx;
		border-radius: 8rpx;
	}

	.class-item:last-child {
		min-height: 100vh;
	}

	.item-title {
		font-size: 26rpx;
		color: $u-main-color;
		font-weight: bold;
	}

	.item-menu-name {
		font-weight: normal;
		font-size: 24rpx;
		color: $u-main-color;
	}

	.item-container {
		display: flex;
		flex-wrap: wrap;
	}

	.thumb-box {
		// width: 33.333333%;
		display: flex;
		align-items: center;
		justify-content: center;
		flex-direction: column;
		margin-top: 20rpx;
	}

	.item-menu-image {
		width: 120rpx;
		height: 120rpx;
	}
</style>
